News tagged with gravity

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How spacetime is built by quantum entanglement

A collaboration of physicists and a mathematician has made a significant step toward unifying general relativity and quantum mechanics by explaining how spacetime emerges from quantum entanglement in a more fundamental theory. ...

dateMay 27, 2015 in Quantum Physics
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Do we need a new theory of gravity?

In the late 1990s physicists discovered, to their consternation, that the expansion of the universe is not slowing but accelerating. Nothing in the 'standard model of cosmology' could account for this, and so a new term was ...

dateNov 09, 2015 in General Physics
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Moon's crust as fractured as can be

Scientists believe that about 4 billion years ago, during a period called the Late Heavy Bombardment, the moon took a severe beating, as an army of asteroids pelted its surface, carving out craters and opening deep fissures ...

dateSep 10, 2015 in Space Exploration
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Working out in artificial gravity

Astronauts on the International Space Station (ISS) have a number of exercise options, including a mechanical bicycle bolted to the floor, a weightlifting machine strapped to the wall, and a strap-down treadmill. They spend ...

dateJul 02, 2015 in Space Exploration
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